Backend Developer (Security)

Python

Backend Developer (Security)

Python
Kraków, Kraków

Experis Manpower Group

Full-time
B2B
Mid
Remote
38 - 41 USDNet per hour - B2B

Job description

Location: 100% remote


Tasks

  • Design, develop, and maintain scalable backend services and APIs

  • Build secure, high-performance backend systems using Python 3 and Java

  • Implement RESTful APIs and microservices architectures

  • Implement and manage secure authentication flows using SAML 2.0 and SSO

  • Integrate backend services with frontend components and collaborate with React developers

  • Configure and maintain Splunk Enterprise integrations for security event monitoring

  • Build and maintain Splunk dashboards for threat discovery and investigation

  • Collaborate with security teams on Cisco Secure Firewall and Secure Network Analytics integrations

  • Manage containerized deployments using Docker, Docker Compose, and Kubernetes

  • Administer Kubernetes clusters including deployment, scaling, and Helm chart management

  • Optimize Redis caching strategies including session management and pub/sub messaging

  • Develop and maintain AWS DynamoDB data models and access patterns

  • Configure and manage AWS IAM roles and security policies

  • Implement serverless solutions using AWS Lambda and API Gateway

  • Contribute to endpoint security analytics pipelines using Cisco AnyConnect NVM and CESA

  • Configure NVM Collector and Splunk Add-Ons for endpoint analytics

  • Participate in code reviews, architectural discussions, and technical documentation

  • Work in an Agile/Scrum development environment

Requirements

  • At least 3 years of backend engineering experience

  • Proficiency in Python 3 and Java

  • Experience with RESTful APIs and microservices architectures

  • Hands-on experience with AWS including DynamoDB, IAM, Lambda, and API Gateway

  • Strong knowledge of Redis including high-availability cluster configurations

  • Experience with Docker and Docker Compose for containerized development

  • Practical experience with Kubernetes and Helm

  • Experience with Splunk Enterprise data ingestion and analytics

  • Knowledge of HTTP Event Collector configuration and webhook integrations

  • Hands-on experience with security topics (IAM, auth) is highly desirable

  • Experience integrating with Identity Providers and Active Directory attribute mapping

  • Experience with Protobuf and WebSockets is an advantage

  • Experience with Duo Network Gateway and secure access to on-premises resources is a plus

  • Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience

  • Strong problem-solving skills and ability to work in a fast-paced environment

Offer

  • Multisport card

  • Private healthcare

  • Access to an e‑learning platform

  • Group life insurance

Tech stack

    English

    B2

    Redis

    regular

    IAM

    regular

    Kubernetes

    regular

    Amazon AWS

    regular

    Java

    regular

    Splunk

    regular

    RESTful API

    regular

    Python

    regular

Office location

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